From patchwork Tue Sep 14 14:38:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 512578 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1029CC433FE for ; Tue, 14 Sep 2021 14:39:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ED62C6113B for ; Tue, 14 Sep 2021 14:39:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234822AbhINOku (ORCPT ); Tue, 14 Sep 2021 10:40:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234499AbhINOkT (ORCPT ); Tue, 14 Sep 2021 10:40:19 -0400 Received: from xavier.telenet-ops.be (xavier.telenet-ops.be [IPv6:2a02:1800:120:4::f00:14]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 440BBC0613B3 for ; Tue, 14 Sep 2021 07:38:45 -0700 (PDT) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed20:d46f:7eb5:4a37:9d14]) by xavier.telenet-ops.be with bizsmtp id tqeg2500H2aSKa101qeg6N; Tue, 14 Sep 2021 16:38:43 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1mQ9a3-004VHK-Mz; Tue, 14 Sep 2021 16:38:39 +0200 Received: from geert by rox.of.borg with local (Exim 4.93) (envelope-from ) id 1mQ9a3-00290R-0u; Tue, 14 Sep 2021 16:38:39 +0200 From: Geert Uytterhoeven To: Robin van der Gracht , Miguel Ojeda , Rob Herring , Paul Burton Cc: Greg Kroah-Hartman , Pavel Machek , Marek Behun , devicetree@vger.kernel.org, linux-leds@vger.kernel.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven , Rob Herring Subject: [PATCH v6 18/19] dt-bindings: auxdisplay: ht16k33: Document LED subnode Date: Tue, 14 Sep 2021 16:38:34 +0200 Message-Id: <20210914143835.511051-19-geert@linux-m68k.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210914143835.511051-1-geert@linux-m68k.org> References: <20210914143835.511051-1-geert@linux-m68k.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Extend the Holtek HT16K33 LED controller Device Tree bindings with an LED subnode, conforming to the standard LED bindings. This allows the user to exert more control, like specifying LED color, function, and/or trigger, to extend LED functionality beyond a simple display backlight. Signed-off-by: Geert Uytterhoeven Reviewed-by: Rob Herring --- v6: - No changes, v5: - No changes, v4: - Add Reviewed-by, v3: - New. --- .../bindings/auxdisplay/holtek,ht16k33.yaml | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/auxdisplay/holtek,ht16k33.yaml b/Documentation/devicetree/bindings/auxdisplay/holtek,ht16k33.yaml index 6baf1200c9d8488e..0f1414185fefc1a9 100644 --- a/Documentation/devicetree/bindings/auxdisplay/holtek,ht16k33.yaml +++ b/Documentation/devicetree/bindings/auxdisplay/holtek,ht16k33.yaml @@ -48,6 +48,11 @@ properties: default: 16 description: Initial brightness level + led: + type: object + $ref: /schemas/leds/common.yaml# + unevaluatedProperties: false + required: - compatible - reg @@ -66,6 +71,7 @@ examples: - | #include #include + #include i2c1 { #address-cells = <1>; #size-cells = <0>; @@ -87,5 +93,10 @@ examples: , , ; + + led { + color = ; + function = LED_FUNCTION_BACKLIGHT; + }; }; };